具有压电层的机动智能柔性卫星的鲁棒逆动力学控制

IF 0.8 4区工程技术 Q4 ACOUSTICS

International Journal of Acoustics and Vibration Pub Date : 2017-12-01 DOI:10.20855/IJAV.2017.22.4491

M. Azadi, E. Azadi, S. Fazelzadeh

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引用次数: 2

摘要

本文考虑了一颗具有两个柔性附件和一个中心枢纽的卫星。压电层连接到附件的两侧并用作致动器。基于拉格朗日方法导出了运动的控制方程。利用瑞利-里兹技术得到了运动的常微分方程。将鲁棒逆动力学控制应用于该系统，不仅控制了卫星的三轴操纵，而且抑制了柔性附件的振动。最后对系统进行了仿真，仿真结果表明该控制器具有良好的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Robust Inverse Dynamic Control of a Maneuvering Smart Flexible Satellite with Piezoelectric Layers

In this paper, a satellite with two flexible appendages and a central hub is considered. The piezoelectric layers are attached to both side of the appendages and used as actuators. The governing equations of motion are derived based on Lagrange method. Using Rayleigh-Ritz technique ordinary differential equations of motion are obtained. A robust inverse dynamic control is applied to the system to not only control the three axes manoeuvre of the satellite but also suppress the vibrations of the flexible appendages. Finally, the system is simulated and simulation results show good performance of this controller.

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来源期刊

International Journal of Acoustics and Vibration ACOUSTICS-ENGINEERING, MECHANICAL

CiteScore

1.60

自引率

10.00%

发文量

审稿时长

12 months

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